STOCKNO.DE
Institutional ownership intelligence

RYTM Institutional Ownership

RHYTHM PHARMACEUTICALS, INC.

Latest stored close $90.78 as of Oct 9, 2026 View live quote ↗

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STOCKNODE Outlook

Sell

35/100 5 tracked · 4 comparable
Latest filing Apr 30, 2026
Positive breadth 1 positive · 4 negative
Recent close $90.78
Research confidence Medium
Institutional Research 26/100 · 0 accumulating · 4 reducing / exited
Ownership history

Reported ownership % history

Latest filing Apr 30, 2026

See how each tracked institution's reported ownership changed across SEC position dates. Full history is available with Investor or Pro access.

Locked preview
Unlock the reported ownership timeline Unlock full research
Accumulating0
Newly reported1
Reducing / exited 4
52-week position —
Institutional Intelligence

Why STOCKNODE says Sell

What the evidence shows across the newest institutional, insider, company-event, 13F, fundamental, and price data; STOCKNODE combines these layers into a quantitative research signal while preserving each source and reporting window.

6 evidence layers available
STOCKNODE Outlook
Sell 35/100
Confidence:Medium
Why this signal
  • 0 tracked institutions accumulating versus 4 reducing/exited.
  • 1 tracked institution shows persistent accumulation.
STOCKNODE Outlook is a quantitative research signal based on reported public data, not personalized investment advice.
Institutional
32/100
Insiders
22/100
Fundamentals
54/100
Events
50/100

Cross-institution positioning

Apr 30, 2026

Reduction leaning. 1 reducing, 3 exited across 4 comparable institutions.

Source: Schedule 13 research

Quarterly 13F activity

Jun 30, 2026

1 increased/new, 1 reduced/exited across 2 managers in the latest comparable Form 13F quarter.

Source: Form 13F quarter-end holdings

Insider filing activity

Sep 14, 2026

Over the last 90 days, SEC-coded non-derivative P/S activity includes 0 purchases by 0 reporting owners and 21 sales by 7 reporting owners. Amendments are shown in the filing evidence but excluded from rolling activity totals.

Source: SEC Forms 3/4/5

Material company events

Aug 4, 2026

1 non-amendment material event in the last 90 days; Latest classified evidence: Results of operations / financial condition. Registration and prospectus filings are treated as financing capacity/disclosure evidence, not proof that securities were sold.

Source: SEC 8-K / securities filing metadata

SEC fundamentals

Aug 4, 2026

Revenue +46.9% YoY; Net income -5.7% YoY. Periods are compared only when the SEC facts are aligned and comparable.

Source: SEC Company Facts

Price context

Sep 15, 2026

Recent close is 47% through its reported 52-week range; +0.8% over one year.

Source: Stored historical price series
Latest filing decision brief Investor / Pro

Research the latest Initial Schedule 13G from Vanguard Capital Management.

Filed Apr 30, 2026. Unlock the dated position comparison, disclosure classification, confidence, price context, and filing-specific significance analysis.

Premium research values are withheld until unlocked.

Supporting institutional evidence

Institutional Evidence

The research summary above gives the current read. This section shows the dated holder-level evidence behind it.

Latest reported position changes

Investor / Pro detail

See each institution's newest reported position against its own prior report, with position as-of date separated from SEC filed date. Institution names and filing freshness remain public below.

Newest filing Apr 30, 2026
BlackRock Filed Jan 24, 2024
Direction locked
Vanguard Capital Management Filed Apr 30, 2026
Direction locked
BlackRock Filed Apr 24, 2025
Direction locked
Vanguard Group Filed Mar 27, 2026
Direction locked
Goldman Sachs Group Filed Feb 10, 2025
Direction locked
Unlock the actual direction, share change, ownership change, and classification basis. No premium position values are sent in this locked preview.
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Reported direction breadth by as-of date

Locked preview

Comparable holder direction grouped by SEC position as-of date — never presented as trade dates.

Unlock actual accumulation vs. reduction breadth across reported position dates. View plans

Institution comparison

Investor / Pro detail

Compare each institution only with its own prior reported position. Public visitors can see who is tracked and how fresh the filing is; paid research reveals the actual comparison.

BlackRock Filed Jan 24, 2024
Vanguard Capital Management Filed Apr 30, 2026
BlackRock Filed Apr 24, 2025
Vanguard Group Filed Mar 27, 2026
Goldman Sachs Group Filed Feb 10, 2025
Unlock the evidence behind the score

Know who changed position, by how much, and when the SEC learned about it.

Investor and Pro reveal holder-by-holder changes, reported ownership history, dated breadth, disclosure timing, institution comparison, and filing-specific analysis without treating Schedule 13 reports as trade dates.

✓ Actual share and ownership changes ✓ Position as-of date vs. SEC filed date ✓ Deterministic direction basis ✓ Full evidence on every eligible stock
SEC Forms 3, 4 & 5

Insider activity

Reported Section 16 ownership activity. Rolling purchase/sale totals use non-derivative SEC transaction codes P and S only; amendments remain visible but are excluded from those totals.

Latest filing Sep 14, 2026
30-day purchases00 reporting owner(s)
30-day sales82 reporting owner(s)
90-day purchase breadth0
90-day sale breadth7Multi-insider
View recent insider filing evidence
DateReporting ownerCodeSecuritySharesPriceOwnershipFiled
Sep 14, 2026 Meeker David P MExercise or conversion of derivative · derivative Employee Stock Option (Right to Buy) 50.0K $0.00 Direct Sep 14, 2026
Sep 14, 2026 Meeker David P SOpen-market or private sale Common Stock 2.3K $105.19 Direct Sep 14, 2026
Sep 14, 2026 Meeker David P SOpen-market or private sale Common Stock 1.8K $104.55 Direct Sep 14, 2026
Sep 14, 2026 Meeker David P SOpen-market or private sale Common Stock 8.7K $103.43 Direct Sep 14, 2026
Sep 14, 2026 Meeker David P SOpen-market or private sale Common Stock 30.7K $102.35 Direct Sep 14, 2026
Sep 14, 2026 Meeker David P SOpen-market or private sale Common Stock 6.4K $101.75 Direct Sep 14, 2026
Sep 14, 2026 Meeker David P MExercise or conversion of derivative Common Stock 50.0K $6.05 Direct Sep 14, 2026
Aug 31, 2026 Smith Hunter C MExercise or conversion of derivative · derivative Employee Stock Option (Right to Buy) 57.2K $0.00 Direct Sep 1, 2026
Aug 31, 2026 Smith Hunter C SOpen-market or private sale Common Stock 28.2K $106.20 Direct Sep 1, 2026
Aug 31, 2026 Smith Hunter C SOpen-market or private sale Common Stock 11.5K $105.37 Direct Sep 1, 2026
Aug 31, 2026 Smith Hunter C SOpen-market or private sale Common Stock 23.1K $104.59 Direct Sep 1, 2026
Aug 31, 2026 Smith Hunter C MExercise or conversion of derivative Common Stock 57.2K $25.79 Direct Sep 1, 2026
Aug 17, 2026 Joshi Manher AGrant, award, or other acquisition · derivative Restricted Stock Units 25.0K $0.00 Direct Aug 18, 2026
Aug 17, 2026 Joshi Manher AGrant, award, or other acquisition · derivative Stock Options (Right to Buy) 50.0K $0.00 Direct Aug 18, 2026
Aug 13, 2026 Garfield Alastair SOpen-market or private sale Common Stock 800 $119.17 Direct Aug 17, 2026
Aug 13, 2026 Garfield Alastair SOpen-market or private sale Common Stock 3.4K $118.28 Direct Aug 17, 2026
Aug 13, 2026 Garfield Alastair SOpen-market or private sale Common Stock 1.6K $117.08 Direct Aug 17, 2026
Aug 13, 2026 Garfield Alastair SOpen-market or private sale Common Stock 2.0K $116.11 Direct Aug 17, 2026
Aug 13, 2026 Shulman Joseph MExercise or conversion of derivative · derivative Stock Options (Right to Buy) 2.0K $0.00 Direct Aug 17, 2026
Aug 13, 2026 Shulman Joseph SOpen-market or private sale Common Stock 5.1K $119.75 Direct Aug 17, 2026
SEC company-event context

Material company events

Recent 8-K item classifications plus securities registration and prospectus filings. Registration or prospectus filings show financing capacity/disclosure activity; they do not by themselves prove that securities were sold.

Latest filing Aug 4, 2026
30-day material events0
90-day capital-related0
90-day equity-related0
90-day debt-related0
View recent company-event filing evidence
FiledForm8-K item(s)ClassificationCapital contextSEC
Aug 4, 2026 8-K 2.02, 7.01, 8.01, 9.01 Results of operations / financial condition; Regulation FD disclosure; Other event; Financial statements / exhibits — Filing
Jun 25, 2026 8-K 5.07 Shareholder vote results — Filing
Jun 15, 2026 8-K 7.01, 8.01, 9.01 Regulation FD disclosure; Other event; Financial statements / exhibits — Filing
May 5, 2026 S-8 — Employee-plan securities registration Equity Filing
May 5, 2026 8-K 2.02, 9.01 Results of operations / financial condition; Financial statements / exhibits — Filing
Apr 3, 2026 8-K 5.02, 7.01, 9.01 Director or executive change; Regulation FD disclosure; Financial statements / exhibits — Filing
Mar 26, 2026 8-K 7.01, 8.01, 9.01 Regulation FD disclosure; Other event; Financial statements / exhibits — Filing
Mar 20, 2026 8-K 7.01, 8.01, 9.01 Regulation FD disclosure; Other event; Financial statements / exhibits — Filing
Mar 16, 2026 8-K 7.01, 8.01, 9.01 Regulation FD disclosure; Other event; Financial statements / exhibits — Filing
Mar 2, 2026 8-K 7.01, 8.01, 9.01 Regulation FD disclosure; Other event; Financial statements / exhibits — Filing
Feb 26, 2026 S-3ASR — Shelf securities registration Capital-related Filing
Feb 26, 2026 S-8 — Employee-plan securities registration Equity Filing
SEC-reported company fundamentals

Fundamentals

Period-aligned SEC facts. Comparisons appear only when periods and units are comparable.

Latest filing used Aug 4, 2026
Revenue $71.3M Q2 2026 +46.9% YoY 10-Q filed Aug 4, 2026
Operating income $-48.6M Q2 2026 -7.2% YoY 10-Q filed Aug 4, 2026
Operating margin -68.1% Q2 2026 +25.3 pts YoY 10-Q filed Aug 4, 2026
Net income $-49.3M Q2 2026 -5.7% YoY 10-Q filed Aug 4, 2026
Diluted EPS $-0.73 Q2 2026 +2.7% YoY 10-Q filed Aug 4, 2026
Operating cash flow $-53.3M YTD through Jun 30, 2026 +16.2% YoY 10-Q filed Aug 4, 2026
Free cash flow $-116.6M FY 2025 -2.4% YoY 10-K filed Feb 26, 2026
Cash & equivalents $65.6M As of Jun 30, 2026 -51.6% YoY 10-Q filed Aug 4, 2026
Long-term debt $106.1M As of Jun 30, 2026 -3.4% YoY 10-Q filed Aug 4, 2026
Assets $437.3M As of Jun 30, 2026 +17.3% YoY 10-Q filed Aug 4, 2026
Liabilities $220.0M As of Jun 30, 2026 -8.0% YoY 10-Q filed Aug 4, 2026
Stockholders’ equity $103.0M As of Jun 30, 2026 +964.8% YoY 10-Q filed Aug 4, 2026
Shares outstanding 68.9M As of Aug 1, 2026 +3.7% YoY 10-Q filed Aug 4, 2026
View recent revenue trend

Quarterly

PeriodRevenueYoY
Ended Jun 30, 2026 $71.3M +46.9%
Ended Mar 31, 2026 $60.1M +83.8%
Ended Sep 30, 2025 $51.3M +54.3%
Ended Jun 30, 2025 $48.5M +66.8%

Annual

PeriodRevenueYoY
Ended Dec 31, 2025 $189.8M +45.8%
Ended Dec 31, 2024 $130.1M +68.1%
Ended Dec 31, 2023 $77.4M +227.6%
Ended Dec 31, 2022 $23.6M +649.5%
Current market context

Price performance

Dated price context from the historical market series already collected for this security.

As of Sep 15, 2026
Recent stored close $96.77 View live quote ↗
52-week low $74.50 Mar 30, 2026
52-week high $122.20 Dec 11, 2025
Below 52-week high 20.8%
1W return -4.9%
1M return -16.2%
3M return +7.9%
6M return +10.7%
YTD return -9.6%
1Y return +0.8%
30-day volatility 40.1%
90-day volatility 43.6%
1Y max drawdown -35.5%

Returns are close-to-close price changes. Volatility and drawdown are factual historical context, not recommendations.

Institutional activity

Quarter-over-quarter Form 13F activity

Headline counts reflect the latest comparable report quarter only; older quarter-over-quarter changes remain in the evidence history. This is not transaction-level trade data. Amendments are excluded from v1 change classification and remain visible in the holdings table below.

New0
Increased1
Reduced1
Exited0
Unchanged0
View recent 13F activity evidence

Showing the 5 most recent activity comparisons first.

Manager Quarter Activity Shares Prior Change
BlackRock Jun 30, 2026 vs Mar 31, 2026 Reduced 6.2M 6.2M -80.2K -1.3%
State Street Jun 30, 2026 vs Mar 31, 2026 Increased 2.6M 2.3M +301.7K +13.3%
BlackRock Mar 31, 2026 vs Dec 31, 2025 Reduced 6.2M 6.3M -60.2K -1.0%
Capital Research Global Investors Mar 31, 2026 vs Dec 31, 2025 Increased 1.1M 985.1K +130.4K +13.2%
Fidelity / FMR Mar 31, 2026 vs Dec 31, 2025 Reduced 1.7M 1.7M -16.6K -1.0%
Quarterly institutional holdings

Form 13F holdings

Quarter-end holdings reported by tracked institutional managers. Amendments remain separate and these rows do not represent individual trades.

Latest report quarter Jun 30, 2026
Holding records 88
Manager entities 12
Report quarters 16
Amendment rows 5
View recent Form 13F holding evidence

Showing the 5 most recent holding records first.

Manager Quarter Shares Reported value Filed Form
State Street Jun 30, 2026 2.6M $285,728,722.00 Aug 7, 2026 13F-HR
BlackRock Jun 30, 2026 6.2M $683,600,828.00 Aug 7, 2026 13F-HR
Fidelity / FMR Mar 31, 2026 1.7M $146,950,721.00 May 15, 2026 13F-HR
State Street Mar 31, 2026 2.3M $197,582,881.00 May 15, 2026 13F-HR
T. Rowe Price T. Rowe Price Associates Mar 31, 2026 1.7M $143,925.00 May 15, 2026 13F-HR

Form 13F reports quarter-end holdings and reported value; they do not establish exact purchase or sale dates.

How to read Schedule 13 ownership changes

Schedule 13G/13D reports beneficial ownership at an observation date. “Accumulation” or “reduction” is inferred from changes in reported shares when available; it is not a list of individual trades or exact execution prices.

Form 13F rows are quarter-end holding context only and do not establish an exact entry date.

For more context, see how to read a Schedule 13G, filing date vs event date, or Schedule 13G vs Schedule 13D.

Current ownership filings and reported ownership changes are available on free access. Investor and Pro add filing-specific significance scoring, disclosure-speed analysis, confirmation/divergence signals, and alerts. The overall institutional consensus preview remains public. Compare plans.

Beneficial ownership filing history

Showing 3 of 24 filing(s) · 21 older require more history access
View beneficial ownership filing evidence
Holder Observed / filed Reported change Shares Ownership Observation Filing Latest
Vanguard Capital Management CIK0002100119 Jun 30, 2026 quarter end Aug 13, 2026 filed Form 13F quarter-end evidence Earlier Form 13F quarter-end holding Quarter-end holding evidence; no ownership percentage or signal. 3.0M $90.78
Vanguard Capital Management CIK0002100119 Mar 31, 2026 observed Apr 30, 2026 filed · 30d Initial Schedule 13G Initial Schedule 13G 3.4M 12.00% $86.97 $81.36 $90.78
Vanguard Group CIK0000102909 Mar 13, 2026 observed Mar 27, 2026 filed · 14d Schedule 13G amendment Exit below reporting threshold 0 -6.2M 0.00% -9.30 pts $87.38 $75.82 $90.78
Explore more institutional activity

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